[INFO] fetching crate raster-retrace 0.1.2...
[INFO] testing raster-retrace-0.1.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate raster-retrace 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate raster-retrace 0.1.2
[INFO] finished tweaking crates.io crate raster-retrace 0.1.2
[INFO] tweaked toml for crates.io crate raster-retrace 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate raster-retrace 0.1.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea2e6c0354b71765505168404737db1a6a6d247e56d12e3fdfda0c01d636b45b
[INFO] running `Command { std: "docker" "start" "-a" "ea2e6c0354b71765505168404737db1a6a6d247e56d12e3fdfda0c01d636b45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea2e6c0354b71765505168404737db1a6a6d247e56d12e3fdfda0c01d636b45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2e6c0354b71765505168404737db1a6a6d247e56d12e3fdfda0c01d636b45b", kill_on_drop: false }`
[INFO] [stdout] ea2e6c0354b71765505168404737db1a6a6d247e56d12e3fdfda0c01d636b45b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ae8ad3a09837792d30998d641ce6268791f3a54f4d007127c50951b04243808
[INFO] running `Command { std: "docker" "start" "-a" "4ae8ad3a09837792d30998d641ce6268791f3a54f4d007127c50951b04243808", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling raster-retrace v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/intern/argparse/mod.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stdout]   |                                  ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stdout] 5 + pub const ARGDEF_REQUIRED: u32 = 1 << 0;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/intern/argparse/mod.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stdout]   |                                  ^      ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stdout] 6 + pub const ARGDEF_VARARGS: u32 =  1 << 1;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::intern::math_vector`
[INFO] [stdout]  --> src/intern/curve_fit_nd/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use ::intern::math_vector;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fit_poly_single`
[INFO] [stdout]   --> src/intern/curve_fit_nd/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fit_poly_single,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     ((i - 1) >> 1)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     ((i - 1) >> 1)
[INFO] [stdout] 76 +     (i - 1) >> 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     ((i << 1) + 1)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     ((i << 1) + 1)
[INFO] [stdout] 79 +     (i << 1) + 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ((i << 1) + 2)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -     ((i << 1) + 2)
[INFO] [stdout] 82 +     (i << 1) + 2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         (a.value < b.value)
[INFO] [stdout]    |         ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -         (a.value < b.value)
[INFO] [stdout] 96 +         a.value < b.value
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |         pub const L: u8 = (1 << 0);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         pub const L: u8 = (1 << 0);
[INFO] [stdout] 45 +         pub const L: u8 = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 46 |         pub const R: u8 = (1 << 1);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -         pub const R: u8 = (1 << 1);
[INFO] [stdout] 46 +         pub const R: u8 = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |         pub const D: u8 = (1 << 2);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         pub const D: u8 = (1 << 2);
[INFO] [stdout] 47 +         pub const D: u8 = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub const U: u8 = (1 << 3);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -         pub const U: u8 = (1 << 3);
[INFO] [stdout] 48 +         pub const U: u8 = 1 << 3;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_outline.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...                   ((x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout]     |                       ^
[INFO] [stdout] 150 | ...                    (y == xy_a[1] && y == xy_b[1]))
[INFO] [stdout]     |                                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout] 150 ~                              (y == xy_a[1] && y == xy_b[1])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |         pub const L: u8 = (1 << 0);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         pub const L: u8 = (1 << 0);
[INFO] [stdout] 21 +         pub const L: u8 = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub const R: u8 = (1 << 1);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -         pub const R: u8 = (1 << 1);
[INFO] [stdout] 22 +         pub const R: u8 = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |         pub const D: u8 = (1 << 2);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         pub const D: u8 = (1 << 2);
[INFO] [stdout] 23 +         pub const D: u8 = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub const U: u8 = (1 << 3);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -         pub const U: u8 = (1 << 3);
[INFO] [stdout] 24 +         pub const U: u8 = 1 << 3;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub const LD: u8 = (1 << 4);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         pub const LD: u8 = (1 << 4);
[INFO] [stdout] 26 +         pub const LD: u8 = 1 << 4;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |         pub const LU: u8 = (1 << 5);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         pub const LU: u8 = (1 << 5);
[INFO] [stdout] 27 +         pub const LU: u8 = 1 << 5;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         pub const RD: u8 = (1 << 6);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -         pub const RD: u8 = (1 << 6);
[INFO] [stdout] 28 +         pub const RD: u8 = 1 << 6;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |         pub const RU: u8 = (1 << 7);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -         pub const RU: u8 = (1 << 7);
[INFO] [stdout] 29 +         pub const RU: u8 = 1 << 7;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_centerline.rs:192:29
[INFO] [stdout]     |
[INFO] [stdout] 192 | / ...                   (
[INFO] [stdout] 193 | | ...                       // axis aligned
[INFO] [stdout] 194 | | ...                       (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout]     | |__________________________^
[INFO] [stdout] ...
[INFO] [stdout] 212 |   ...                       }
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 213 | | ...                    )
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout] 193 |                                 (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stdout] ...
[INFO] [stdout] 209 |                                      y_a_delta.signum() == y_b_delta.signum())
[INFO] [stdout] 210 ~                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_centerline.rs:203:37
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   (x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 211 | ...                    y_a_delta.signum() == y_b_delta.signum())
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 203 ~                                     x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stdout] 204 |                                      // no need to check 'b', signum accounts for that case.
[INFO] [stdout] ...
[INFO] [stdout] 210 |                                      x_a_delta.signum() == x_b_delta.signum() &&
[INFO] [stdout] 211 ~                                      y_a_delta.signum() == y_b_delta.signum()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:218:37
[INFO] [stdout]     |
[INFO] [stdout] 218 |         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 218 -         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 218 +         if neighbors & DIR_S != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:219:37
[INFO] [stdout]     |
[INFO] [stdout] 219 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout] 219 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:226:37
[INFO] [stdout]     |
[INFO] [stdout] 226 |         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 226 -         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 226 +         if neighbors & DIR_W != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:227:37
[INFO] [stdout]     |
[INFO] [stdout] 227 |         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 227 -         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout] 227 +         if neighbors & DIR_S != 0 { 1 << 2 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:234:37
[INFO] [stdout]     |
[INFO] [stdout] 234 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 234 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 234 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:235:37
[INFO] [stdout]     |
[INFO] [stdout] 235 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 235 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout] 235 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:242:37
[INFO] [stdout]     |
[INFO] [stdout] 242 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 242 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 242 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:243:37
[INFO] [stdout]     |
[INFO] [stdout] 243 |         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 243 -         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout] 243 +         if neighbors & DIR_W != 0 { 1 << 2 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/intern/argparse/mod.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/intern/argparse/mod.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |         callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 |         callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "4ae8ad3a09837792d30998d641ce6268791f3a54f4d007127c50951b04243808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae8ad3a09837792d30998d641ce6268791f3a54f4d007127c50951b04243808", kill_on_drop: false }`
[INFO] [stdout] 4ae8ad3a09837792d30998d641ce6268791f3a54f4d007127c50951b04243808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf745d667106cbc05e0146d174a371baf75ccdbb3e27bfd4ef2f6d272c9099af
[INFO] running `Command { std: "docker" "start" "-a" "bf745d667106cbc05e0146d174a371baf75ccdbb3e27bfd4ef2f6d272c9099af", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling raster-retrace v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/intern/argparse/mod.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stdout]   |                                  ^      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stdout] 5 + pub const ARGDEF_REQUIRED: u32 = 1 << 0;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/intern/argparse/mod.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stdout]   |                                  ^      ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stdout] 6 + pub const ARGDEF_VARARGS: u32 =  1 << 1;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::intern::math_vector`
[INFO] [stdout]  --> src/intern/curve_fit_nd/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use ::intern::math_vector;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fit_poly_single`
[INFO] [stdout]   --> src/intern/curve_fit_nd/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fit_poly_single,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     ((i - 1) >> 1)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     ((i - 1) >> 1)
[INFO] [stdout] 76 +     (i - 1) >> 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     ((i << 1) + 1)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     ((i << 1) + 1)
[INFO] [stdout] 79 +     (i << 1) + 1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ((i << 1) + 2)
[INFO] [stdout]    |     ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -     ((i << 1) + 2)
[INFO] [stdout] 82 +     (i << 1) + 2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/intern/min_heap/mod.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         (a.value < b.value)
[INFO] [stdout]    |         ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -         (a.value < b.value)
[INFO] [stdout] 96 +         a.value < b.value
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |         pub const L: u8 = (1 << 0);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         pub const L: u8 = (1 << 0);
[INFO] [stdout] 45 +         pub const L: u8 = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 46 |         pub const R: u8 = (1 << 1);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -         pub const R: u8 = (1 << 1);
[INFO] [stdout] 46 +         pub const R: u8 = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |         pub const D: u8 = (1 << 2);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         pub const D: u8 = (1 << 2);
[INFO] [stdout] 47 +         pub const D: u8 = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_outline.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub const U: u8 = (1 << 3);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -         pub const U: u8 = (1 << 3);
[INFO] [stdout] 48 +         pub const U: u8 = 1 << 3;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_outline.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...                   ((x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout]     |                       ^
[INFO] [stdout] 150 | ...                    (y == xy_a[1] && y == xy_b[1]))
[INFO] [stdout]     |                                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout] 150 ~                              (y == xy_a[1] && y == xy_b[1])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |         pub const L: u8 = (1 << 0);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         pub const L: u8 = (1 << 0);
[INFO] [stdout] 21 +         pub const L: u8 = 1 << 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub const R: u8 = (1 << 1);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -         pub const R: u8 = (1 << 1);
[INFO] [stdout] 22 +         pub const R: u8 = 1 << 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |         pub const D: u8 = (1 << 2);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         pub const D: u8 = (1 << 2);
[INFO] [stdout] 23 +         pub const D: u8 = 1 << 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |         pub const U: u8 = (1 << 3);
[INFO] [stdout]    |                           ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -         pub const U: u8 = (1 << 3);
[INFO] [stdout] 24 +         pub const U: u8 = 1 << 3;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub const LD: u8 = (1 << 4);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         pub const LD: u8 = (1 << 4);
[INFO] [stdout] 26 +         pub const LD: u8 = 1 << 4;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |         pub const LU: u8 = (1 << 5);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         pub const LU: u8 = (1 << 5);
[INFO] [stdout] 27 +         pub const LU: u8 = 1 << 5;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         pub const RD: u8 = (1 << 6);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -         pub const RD: u8 = (1 << 6);
[INFO] [stdout] 28 +         pub const RD: u8 = 1 << 6;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/polys_from_raster_centerline.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |         pub const RU: u8 = (1 << 7);
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -         pub const RU: u8 = (1 << 7);
[INFO] [stdout] 29 +         pub const RU: u8 = 1 << 7;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_centerline.rs:192:29
[INFO] [stdout]     |
[INFO] [stdout] 192 | / ...                   (
[INFO] [stdout] 193 | | ...                       // axis aligned
[INFO] [stdout] 194 | | ...                       (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout]     | |__________________________^
[INFO] [stdout] ...
[INFO] [stdout] 212 |   ...                       }
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 213 | | ...                    )
[INFO] [stdout]     | |________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stdout] 193 |                                 (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stdout] ...
[INFO] [stdout] 209 |                                      y_a_delta.signum() == y_b_delta.signum())
[INFO] [stdout] 210 ~                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/polys_from_raster_centerline.rs:203:37
[INFO] [stdout]     |
[INFO] [stdout] 203 | ...                   (x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 211 | ...                    y_a_delta.signum() == y_b_delta.signum())
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 203 ~                                     x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stdout] 204 |                                      // no need to check 'b', signum accounts for that case.
[INFO] [stdout] ...
[INFO] [stdout] 210 |                                      x_a_delta.signum() == x_b_delta.signum() &&
[INFO] [stdout] 211 ~                                      y_a_delta.signum() == y_b_delta.signum()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:218:37
[INFO] [stdout]     |
[INFO] [stdout] 218 |         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 218 -         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 218 +         if neighbors & DIR_S != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:219:37
[INFO] [stdout]     |
[INFO] [stdout] 219 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout] 219 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:226:37
[INFO] [stdout]     |
[INFO] [stdout] 226 |         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 226 -         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 226 +         if neighbors & DIR_W != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:227:37
[INFO] [stdout]     |
[INFO] [stdout] 227 |         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 227 -         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout] 227 +         if neighbors & DIR_S != 0 { 1 << 2 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:234:37
[INFO] [stdout]     |
[INFO] [stdout] 234 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 234 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 234 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:235:37
[INFO] [stdout]     |
[INFO] [stdout] 235 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 235 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stdout] 235 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:242:37
[INFO] [stdout]     |
[INFO] [stdout] 242 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 242 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stdout] 242 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/image_skeletonize.rs:243:37
[INFO] [stdout]     |
[INFO] [stdout] 243 |         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout]     |                                     ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 243 -         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stdout] 243 +         if neighbors & DIR_W != 0 { 1 << 2 } else { 0 } |
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/intern/argparse/mod.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/intern/argparse/mod.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |         callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 |         callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "bf745d667106cbc05e0146d174a371baf75ccdbb3e27bfd4ef2f6d272c9099af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf745d667106cbc05e0146d174a371baf75ccdbb3e27bfd4ef2f6d272c9099af", kill_on_drop: false }`
[INFO] [stdout] bf745d667106cbc05e0146d174a371baf75ccdbb3e27bfd4ef2f6d272c9099af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05821012d84b219e23e8defbb778c7d35179001652403f9b111be92be1a04cd5
[INFO] running `Command { std: "docker" "start" "-a" "05821012d84b219e23e8defbb778c7d35179001652403f9b111be92be1a04cd5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/intern/argparse/mod.rs:5:34
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stderr]   |                                  ^      ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub const ARGDEF_REQUIRED: u32 = (1 << 0);
[INFO] [stderr] 5 + pub const ARGDEF_REQUIRED: u32 = 1 << 0;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/intern/argparse/mod.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stderr]   |                                  ^      ^
[INFO] [stderr]   |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 6 - pub const ARGDEF_VARARGS: u32 =  (1 << 1);
[INFO] [stderr] 6 + pub const ARGDEF_VARARGS: u32 =  1 << 1;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::intern::math_vector`
[INFO] [stderr]  --> src/intern/curve_fit_nd/mod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use ::intern::math_vector;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fit_poly_single`
[INFO] [stderr]   --> src/intern/curve_fit_nd/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fit_poly_single,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/intern/min_heap/mod.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     ((i - 1) >> 1)
[INFO] [stderr]    |     ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 76 -     ((i - 1) >> 1)
[INFO] [stderr] 76 +     (i - 1) >> 1
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/intern/min_heap/mod.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     ((i << 1) + 1)
[INFO] [stderr]    |     ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 -     ((i << 1) + 1)
[INFO] [stderr] 79 +     (i << 1) + 1
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/intern/min_heap/mod.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     ((i << 1) + 2)
[INFO] [stderr]    |     ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 82 -     ((i << 1) + 2)
[INFO] [stderr] 82 +     (i << 1) + 2
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/intern/min_heap/mod.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         (a.value < b.value)
[INFO] [stderr]    |         ^                 ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 96 -         (a.value < b.value)
[INFO] [stderr] 96 +         a.value < b.value
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_outline.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 |         pub const L: u8 = (1 << 0);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -         pub const L: u8 = (1 << 0);
[INFO] [stderr] 45 +         pub const L: u8 = 1 << 0;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_outline.rs:46:27
[INFO] [stderr]    |
[INFO] [stderr] 46 |         pub const R: u8 = (1 << 1);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 46 -         pub const R: u8 = (1 << 1);
[INFO] [stderr] 46 +         pub const R: u8 = 1 << 1;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_outline.rs:47:27
[INFO] [stderr]    |
[INFO] [stderr] 47 |         pub const D: u8 = (1 << 2);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 47 -         pub const D: u8 = (1 << 2);
[INFO] [stderr] 47 +         pub const D: u8 = 1 << 2;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_outline.rs:48:27
[INFO] [stderr]    |
[INFO] [stderr] 48 |         pub const U: u8 = (1 << 3);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -         pub const U: u8 = (1 << 3);
[INFO] [stderr] 48 +         pub const U: u8 = 1 << 3;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/polys_from_raster_outline.rs:149:29
[INFO] [stderr]     |
[INFO] [stderr] 149 | ...                   ((x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stderr]     |                       ^
[INFO] [stderr] 150 | ...                    (y == xy_a[1] && y == xy_b[1]))
[INFO] [stderr]     |                                                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 149 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stderr] 150 ~                              (y == xy_a[1] && y == xy_b[1])
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |         pub const L: u8 = (1 << 0);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 21 -         pub const L: u8 = (1 << 0);
[INFO] [stderr] 21 +         pub const L: u8 = 1 << 0;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 |         pub const R: u8 = (1 << 1);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 22 -         pub const R: u8 = (1 << 1);
[INFO] [stderr] 22 +         pub const R: u8 = 1 << 1;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |         pub const D: u8 = (1 << 2);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 -         pub const D: u8 = (1 << 2);
[INFO] [stderr] 23 +         pub const D: u8 = 1 << 2;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:24:27
[INFO] [stderr]    |
[INFO] [stderr] 24 |         pub const U: u8 = (1 << 3);
[INFO] [stderr]    |                           ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 24 -         pub const U: u8 = (1 << 3);
[INFO] [stderr] 24 +         pub const U: u8 = 1 << 3;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |         pub const LD: u8 = (1 << 4);
[INFO] [stderr]    |                            ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 -         pub const LD: u8 = (1 << 4);
[INFO] [stderr] 26 +         pub const LD: u8 = 1 << 4;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |         pub const LU: u8 = (1 << 5);
[INFO] [stderr]    |                            ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 27 -         pub const LU: u8 = (1 << 5);
[INFO] [stderr] 27 +         pub const LU: u8 = 1 << 5;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |         pub const RD: u8 = (1 << 6);
[INFO] [stderr]    |                            ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 28 -         pub const RD: u8 = (1 << 6);
[INFO] [stderr] 28 +         pub const RD: u8 = 1 << 6;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/polys_from_raster_centerline.rs:29:28
[INFO] [stderr]    |
[INFO] [stderr] 29 |         pub const RU: u8 = (1 << 7);
[INFO] [stderr]    |                            ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 29 -         pub const RU: u8 = (1 << 7);
[INFO] [stderr] 29 +         pub const RU: u8 = 1 << 7;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/polys_from_raster_centerline.rs:192:29
[INFO] [stderr]     |
[INFO] [stderr] 192 | / ...                   (
[INFO] [stderr] 193 | | ...                       // axis aligned
[INFO] [stderr] 194 | | ...                       (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stderr]     | |__________________________^
[INFO] [stderr] ...
[INFO] [stderr] 212 |   ...                       }
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 213 | | ...                    )
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 192 ~                             (x == xy_a[0] && x == xy_b[0]) ||
[INFO] [stderr] 193 |                                 (y == xy_a[1] && y == xy_b[1]) ||
[INFO] [stderr] ...
[INFO] [stderr] 209 |                                      y_a_delta.signum() == y_b_delta.signum())
[INFO] [stderr] 210 ~                                 }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/polys_from_raster_centerline.rs:203:37
[INFO] [stderr]     |
[INFO] [stderr] 203 | ...                   (x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stderr]     |                       ^
[INFO] [stderr] ...
[INFO] [stderr] 211 | ...                    y_a_delta.signum() == y_b_delta.signum())
[INFO] [stderr]     |                                                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 203 ~                                     x_a_delta != 0 && y_a_delta != 0 &&
[INFO] [stderr] 204 |                                      // no need to check 'b', signum accounts for that case.
[INFO] [stderr] ...
[INFO] [stderr] 210 |                                      x_a_delta.signum() == x_b_delta.signum() &&
[INFO] [stderr] 211 ~                                      y_a_delta.signum() == y_b_delta.signum()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:218:37
[INFO] [stderr]     |
[INFO] [stderr] 218 |         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 218 -         if neighbors & DIR_S != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr] 218 +         if neighbors & DIR_S != 0 { 1 << 4 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:219:37
[INFO] [stderr]     |
[INFO] [stderr] 219 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 219 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stderr] 219 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:226:37
[INFO] [stderr]     |
[INFO] [stderr] 226 |         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 226 -         if neighbors & DIR_W != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr] 226 +         if neighbors & DIR_W != 0 { 1 << 4 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:227:37
[INFO] [stderr]     |
[INFO] [stderr] 227 |         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 227 -         if neighbors & DIR_S != 0 { (1 << 2) } else { 0 } |
[INFO] [stderr] 227 +         if neighbors & DIR_S != 0 { 1 << 2 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:234:37
[INFO] [stderr]     |
[INFO] [stderr] 234 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 234 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr] 234 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:235:37
[INFO] [stderr]     |
[INFO] [stderr] 235 |         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 235 -         if neighbors & DIR_E != 0 { (1 << 1) } else { 0 } |
[INFO] [stderr] 235 +         if neighbors & DIR_E != 0 { 1 << 1 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:242:37
[INFO] [stderr]     |
[INFO] [stderr] 242 |         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 242 -         if neighbors & DIR_N != 0 { (1 << 4) } else { 0 } |
[INFO] [stderr] 242 +         if neighbors & DIR_N != 0 { 1 << 4 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/image_skeletonize.rs:243:37
[INFO] [stderr]     |
[INFO] [stderr] 243 |         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stderr]     |                                     ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 243 -         if neighbors & DIR_W != 0 { (1 << 2) } else { 0 } |
[INFO] [stderr] 243 +         if neighbors & DIR_W != 0 { 1 << 2 } else { 0 } |
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/intern/argparse/mod.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |     callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 |     callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stderr]    |                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/intern/argparse/mod.rs:87:23
[INFO] [stderr]    |
[INFO] [stderr] 87 |         callback: Box<FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 87 |         callback: Box<dyn FnMut(&mut T, &[String]) -> Result<usize, String>>,
[INFO] [stderr]    |                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `raster-retrace` (bin "raster-retrace" test) generated 33 warnings (run `cargo fix --bin "raster-retrace" --tests` to apply 33 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/raster_retrace-b96a5a47144e75b2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_image_small ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_image_small stdout ----
[INFO] [stdout] 68 -> 14
[INFO] [stdout] 12 -> 3
[INFO] [stdout] Total points: 17
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test_image_small' (18) panicked at src/main.rs:151:54:
[INFO] [stdout] Create output file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x58eb3e860e32 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58eb3e860e32 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58eb3e860e32 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x58eb3e860e32 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hffd20ad4e5eca8ab
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x58eb3e8710df - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x58eb3e8710df - core::fmt::write::h6d9d3a7cfd7b84f5
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x58eb3e82e7a3 - std::io::default_write_fmt::he11a713685e2464d
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x58eb3e82e7a3 - std::io::Write::write_fmt::h9d08f7e050bd2612
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x58eb3e83a562 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x58eb3e83ef5f - std::panicking::default_hook::{{closure}}::h7555113b62983743
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x58eb3e83edf1 - std::panicking::default_hook::h2714b564abe8d914
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x58eb3e7fee7e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0e9de8cceb22406e
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x58eb3e7fee7e - test::test_main_with_exit_callback::{{closure}}::h8125bd66cf4739d0
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x58eb3e83f5fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1fd0a0802eaec16b
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x58eb3e83f5fe - std::panicking::panic_with_hook::h190dc82263685ec5
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x58eb3e83f3ca - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x58eb3e83a699 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x58eb3e822a0d - __rustc[9b67c8562bba447b]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x58eb3e878b70 - core::panicking::panic_fmt::hc084f85b1e76c16d
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x58eb3e878236 - core::result::unwrap_failed::hf926a4254073b4aa
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1852:5
[INFO] [stdout]   20:     0x58eb3e7be48e - core::result::Result<T,E>::expect::hacb24adbe1b9e5bd
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1175:23
[INFO] [stdout]   21:     0x58eb3e7ad5eb - raster_retrace::trace_image::h44e0a78bb4a7cf0c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:151:54
[INFO] [stdout]   22:     0x58eb3e7cb8b4 - raster_retrace::test::test_image_small::hcf409ea367284228
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:12:19
[INFO] [stdout]   23:     0x58eb3e7cb9d7 - raster_retrace::test::test_image_small::{{closure}}::hfbfafa3fb24c1be0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:8:17
[INFO] [stdout]   24:     0x58eb3e7d3c46 - core::ops::function::FnOnce::call_once::h7bcf73f5ccef18cc
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x58eb3e7fec3b - core::ops::function::FnOnce::call_once::hdbf42be2a49fb464
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x58eb3e7fec3b - test::__rust_begin_short_backtrace::h8ae08814d38cb356
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x58eb3e814725 - test::run_test_in_process::{{closure}}::h54574ee4f414d690
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x58eb3e814725 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01a0b7e7aad1a501
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x58eb3e814725 - std::panicking::catch_unwind::do_call::h23820e817c5612cd
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x58eb3e814725 - std::panicking::catch_unwind::h89c73a1febce5587
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x58eb3e814725 - std::panic::catch_unwind::h6f55caf410861914
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x58eb3e814725 - test::run_test_in_process::h4db851878e5d3983
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x58eb3e814725 - test::run_test::{{closure}}::h57e8c5acaceacd24
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x58eb3e7eb114 - test::run_test::{{closure}}::he775ccc3a9d3b97e
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x58eb3e7eb114 - std::sys::backtrace::__rust_begin_short_backtrace::hcd94d85d7765225a
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x58eb3e7ee95a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha814de8393f07830
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x58eb3e7ee95a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8deb00af0abdeaf1
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x58eb3e7ee95a - std::panicking::catch_unwind::do_call::h1917979b0c279ea2
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x58eb3e7ee95a - std::panicking::catch_unwind::h791ad91fee6ce34e
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x58eb3e7ee95a - std::panic::catch_unwind::h982b8f40ed9c3cce
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x58eb3e7ee95a - std::thread::Builder::spawn_unchecked_::{{closure}}::h545e54700c945db4
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x58eb3e7ee95a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb427481a5227d78a
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   43:     0x58eb3e83491f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1d452951a81e9d0a
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   44:     0x58eb3e83491f - std::sys::pal::unix::thread::Thread::new::thread_start::h29c84e109630689a
[INFO] [stdout]                                at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/pal/unix/thread.rs:118:17
[INFO] [stdout]   45:     0x71feef9ecaa4 - <unknown>
[INFO] [stdout]   46:     0x71feefa79a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test_image_small
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin raster-retrace`
[INFO] running `Command { std: "docker" "inspect" "05821012d84b219e23e8defbb778c7d35179001652403f9b111be92be1a04cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05821012d84b219e23e8defbb778c7d35179001652403f9b111be92be1a04cd5", kill_on_drop: false }`
[INFO] [stdout] 05821012d84b219e23e8defbb778c7d35179001652403f9b111be92be1a04cd5